Multilayered ceramic electronic component and manufacturing method of the same

Abstract

There is provided a multilayered ceramic electronic component including: a ceramic body in which a plurality of dielectric layers are multilayered; a plurality of first and second internal electrode layers formed on at least one surfaces of the dielectric layers and alternately exposed through both ends of the ceramic body in a length direction thereof; first and second adhesive layers formed on both ends of the ceramic body, electrically connected the exposed first and second internal electrodes and formed of a conductive paste; and first and second external electrode layers formed on surfaces of the first and second adhesive layers and formed of a glass-free conductive paste.

Description

CROSS-REFERENCE TO RELATED APPLICATIONS[0001]This application claims the priority of Korean Patent Application No. 10-2012-0078849 filed on Jul. 19, 2012, in the Korean Intellectual Property Office, the disclosure of which is incorporated herein by reference.BACKGROUND OF THE INVENTION[0002]1. Field of the Invention[0003]The present invention relates to a multilayered ceramic electronic component and a manufacturing method of the same.[0004]2. Description of the Related Art[0005]As examples of electronic components using a ceramic material, there may be provided a capacitor, an inductor, a piezoelectric element, a varistor, a thermistor, and the like.[0006]Among the ceramic electronic components, a multilayered ceramic capacitor (MLCC) has a small size and high capacity secured therein, and is easily mounted.[0007]A multilayered ceramic capacitor, a chip condenser having a chip shape, is installed in circuit boards of various electronic products including a display device such as a ...

AI Technical Summary

Benefits of technology

The patent text describes a new kind of electronic component made of ceramic that can prevent cracking when it is soldered onto a circuit board. This improves its reliability and reduces the time it takes to create the external electrodes.

Problems solved by technology

Due to the recent trend for large-sized display devices, a central processing unit (CPU) therein is increased in terms of a speed, and the like, and so heat generation becomes a serious concern.

However, at the time of forming two or more kinds of solder layers for mounting on PCB, or the like, the glass has a lower wetting level than that of copper, resulting in a solder layer having a non-uniform shape being formed.

In addition, a separation phenomenon, or cracks, and the like, may occur due to the above-described phenomenon, at the time of being mounted on a PCB, such that a plating solution may be permeated therethrough to deteriorate reliability and increase a plating time.

Meanwhile, in order to solve this problem, in the case in which glass material is removed from the surface of the external electrode or an added amount thereof is decreased, adhesive force between the ceramic body and the external electrode itself is offset, such that the shapes thereof are not maintained to be uniform, or the adhesive force therebetween is deteriorated, such that reliability may be degraded.

However, in the following Related Art Documents, Patent Document 1 does not disclose that first and second conductive layers are glass-free.

In addition, since Patent Document 2 discloses a first external electrode including glass, it may be difficult to solve the problem of deterioration of reliability through the implementation of the invention thereof.

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